diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/phy/dp83867.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index 6939563d3b7c..417527f8bbf5 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -853,6 +853,14 @@ static int dp83867_config_init(struct phy_device *phydev) else val &= ~DP83867_SGMII_TYPE; phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_SGMIICTL, val); + + /* This is a SW workaround for link instability if RX_CTRL is + * not strapped to mode 3 or 4 in HW. This is required for SGMII + * in addition to clearing bit 7, handled above. + */ + if (dp83867->rxctrl_strap_quirk) + phy_set_bits_mmd(phydev, DP83867_DEVADDR, DP83867_CFG4, + BIT(8)); } val = phy_read(phydev, DP83867_CFG3); |